CN107966975B - Fan control panel testing system and method - Google Patents
Fan control panel testing system and method Download PDFInfo
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- CN107966975B CN107966975B CN201610913560.5A CN201610913560A CN107966975B CN 107966975 B CN107966975 B CN 107966975B CN 201610913560 A CN201610913560 A CN 201610913560A CN 107966975 B CN107966975 B CN 107966975B
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- 238000012360 testing method Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims description 24
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000004088 simulation Methods 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 13
- 238000004590 computer program Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention discloses a fan control panel test system, which comprises a central control unit, a fan configuration unit, a fan simulation unit and a fan interface detection unit, wherein the central control unit is used for controlling the fan configuration unit; the central control unit is used for sending a configuration signal comprising a configuration rotating speed to the fan control board to be tested through the fan configuration unit; the fan interface detection unit is used for receiving a fan control signal sent by the fan control board to be tested, calculating rotating speed control data sent by the fan control board according to the fan control signal and sending the rotating speed control data to the central control unit; the central control unit is also used for receiving the rotating speed control data and judging whether the fan control panel works normally or not according to the rotating speed control data and the configured rotating speed. The invention also discloses a fan control board testing method.
Description
Technical Field
The invention relates to a fan control board testing technology, in particular to a fan control board testing system and method.
Background
In the field of communication and industrial control, the complexity of communication and industrial control equipment is higher and higher, and the structure tends to be more compact, which puts higher requirements on a heat dissipation system of the communication and industrial control equipment. The thermal design of general communication and industrial control equipment mainly adopts an active heat dissipation mode, and the implementation mode of the active heat dissipation mode is as follows: the heat dissipation system detects the internal temperature of the product through the temperature sensor, and controls and adjusts the starting, stopping and rotating speed of the fan through the fan control panel according to the temperature value, so that the normal operation of communication and industrial control equipment is guaranteed.
Currently, most of tests on fan control boards still adopt a mode of plugging solid fans for testing, and because one fan control board controls a plurality of fans at the same time and the fans run at high speed, the problems of large noise and high danger of the operating environment exist in the test process; meanwhile, because the fan models corresponding to different fan control boards are different, the fan needs to be frequently replaced when the tested fan control board is replaced, the workload is high, the testing efficiency is low, and the testing automation is difficult to realize.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a system and a method for testing a fan control board, which can safely and efficiently test the fan control board without plugging a physical fan.
The technical scheme of the embodiment of the invention is realized as follows:
the embodiment of the invention provides a fan control board test system, which comprises a central control unit, a fan configuration unit and a fan interface detection unit; the central control unit is used for sending a configuration signal comprising a configuration rotating speed to the fan control board to be tested through the fan configuration unit; the fan interface detection unit is used for receiving a fan control signal sent by the fan control board to be tested, calculating rotating speed control data sent by the fan control board according to the fan control signal and sending the rotating speed control data to the central control unit; the central control unit is also used for receiving the rotating speed control data and judging whether the fan control panel works normally or not according to the rotating speed control data and the configured rotating speed.
In the above scheme, the system further comprises a fan simulation unit for sending a rotating speed feedback signal to the fan control board to be tested according to the control of the central control unit; the central control unit is also used for controlling the fan simulation unit to send a rotating speed feedback signal to the fan control board to be tested; receiving a detection rotating speed signal sent by the fan control board to be tested through the fan configuration unit; and judging whether the fan control panel works normally or not according to the rotating speed feedback signal and the detected rotating speed signal.
In the above scheme, the fan interface detection unit is further configured to detect a power signal sent by the fan control board to be tested, and determine whether the fan control board normally outputs the power signal according to whether the power signal is between a set first threshold and a set second threshold.
In the above scheme, the central control unit is further configured to obtain a test version according to the type of the fan control board to be tested and load the test version.
In the above solution, the system further includes an isolation unit, configured to isolate the fan simulation unit and the interface where the fan interface detection unit is connected to the fan control board from the interface of the fan control board.
The embodiment of the invention provides a fan control board testing method, which is applied to a fan control board testing system and comprises the following steps: sending a fan configuration signal comprising configuration rotating speed to a fan control board to be tested through a fan configuration unit; after a fan interface detection unit calculates rotating speed control data according to a received fan control signal sent by the fan control panel to be tested and sends the rotating speed control data, the rotating speed control data is received; and judging whether the fan control panel works normally or not according to the configured rotating speed and the rotating speed control data.
In the above scheme, the method further comprises: controlling a fan simulation unit to send a rotating speed feedback signal to the fan control board to be tested; receiving a detection rotating speed signal sent by the fan control board to be tested through the fan configuration unit; and judging whether the fan control panel works normally or not according to the rotating speed feedback signal and the detected rotating speed signal.
In the foregoing solution, after the fan configuration unit sends a fan configuration signal including a configuration rotation speed to the fan control board to be tested, the method further includes: and detecting a power supply signal sent by the fan control board to be tested, and judging whether the fan control board normally outputs the power supply signal according to whether the power supply signal is between a set first threshold value and a set second threshold value.
In the above scheme, the method further comprises: and acquiring a test version according to the type of the fan control board to be tested and loading the test version.
In the above scheme, the method further comprises: and isolating the sending interface and the receiving interface of the fan control signal and the rotating speed feedback signal.
The fan control board testing system and method provided by the embodiment of the invention send configuration signals to the fan control board to be tested through the fan configuration unit; and judging whether the fan control panel works normally according to the configuration signal and the received fan control signal. When the testing system provided by the embodiment of the invention is used for testing the fan control board, the central control unit controls the start, stop and rotating speed of the fan control board, and the fan control signal sent by the fan control board is combined for analysis and judgment, so that the fan control board can be safely and efficiently tested without plugging a physical fan.
Drawings
FIG. 1 is a schematic diagram of a fan control board testing system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a fan simulation unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating a structure of a fan interface detection unit according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of the fan control board testing system and external connections according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart illustrating a partial implementation of a fan control board testing method according to an embodiment of the present invention;
fig. 6 is a schematic flow chart of a partial implementation of a fan control board testing method according to an embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings.
Fig. 1 is a schematic structural diagram of a fan control board test system according to an embodiment of the present invention, and as shown in fig. 1, a fan control board test system 120 according to an embodiment of the present invention includes a central control unit 121, a fan configuration unit 122, and a fan interface detection unit 124;
a central control unit 121, configured to send a configuration signal including a configuration rotation speed to the fan control board to be tested through the fan configuration unit 122.
The fan interface detection unit 124 is configured to receive a fan control signal sent by the fan control board to be tested, calculate rotation speed control data sent by the fan control board according to the fan control signal, and send the rotation speed control data to the central control unit 121.
The central control unit 121 is further configured to receive the rotation speed control data and determine whether the fan control board is working normally according to the rotation speed control data and the configured rotation speed.
In the embodiment of the present invention, the central control unit 121 is connected to the upper computer 110, and the upper computer 110 may be a personal computer or an industrial personal computer, and is not limited to these two devices. The upper computer 110 has a control interface written in a high-level language, and can perform the operations of loading a test version, configuring test parameters, controlling a test sequence, displaying a test result and the like in the test process of the fan control board.
The central control unit 121 is responsible for acquiring a test version, scheduling a test task, controlling a test process, and determining and reporting a test result. During the process of acquiring the test version, the central control unit 121 acquires the test version according to the type of the fan control board to be tested and loads the test version.
When the fan control board is tested by using the test system provided by the embodiment of the invention, the central control unit 121 receives the instruction of the upper computer 110 and configures the fan control board 130 through the fan configuration unit 122, that is, the configuration parameters including the configuration rotating speed are converted into a command format matched with the fan control board 130 and transmitted to the fan control board 130, so that the fan interface 132 of the fan control board 130 outputs a fan control signal as required. The fan configuration unit 122 is communicatively connected to the control interface 131 of the fan control board 130, and the communication interface is one of the bus interfaces, such as IO, RS232, I2C, and CAN, but is not limited thereto.
The fan interface detection unit 124 receives the fan control signal sent by the fan interface 132 and detects the fan control signal. The fan control signal is a PWM signal, and in the above detection process, the fan interface detection unit 124 calculates a given rotation speed of the fan control board for setting the rotation speed of the fan according to the PWM signal.
As shown in the fan interface detection unit 124 of fig. 3, the fan interface detection unit 124 detects information such as the frequency and duty ratio of the fan control signal sent from the fan control board 130, and notifies the central control unit 121 to read the detection result. Wherein, the control data is written into the control register 301 by the central control unit 121, and is used for starting, stopping and resetting the detection work of the fan control panel; the fan control signal sent to the fan interface detection unit 124 is sent to the signal frequency detector 303 and the duty ratio detector 304 respectively, the signal frequency detector 303 counts the input fan control signal, the signal frequency is detected by counting the signal jump times within a certain time, and the detection result is sent to the result register 302 after the test is finished; the duty ratio detector 304 counts the input fan control signal with respect to the input reference clock of higher frequency for the duration of the high and low levels of the fan control signal, and sends the counted result to the result register 302, and the detected result is read by the central control unit 121.
The central control unit 121 reads the result detected by the fan interface detecting unit 124 and determines whether the fan control board 130 is working normally according to the result. Specifically, the central control unit compares the given rotating speed with the configuration rotating speed in the configuration signal, judges whether the difference value between the given rotating speed and the configuration rotating speed is smaller than a set third threshold value, and considers that the fan control board normally works when the difference value is smaller than the third threshold value.
As shown in fig. 1, the fan control board testing system 120 of the embodiment of the present invention further includes a fan simulation unit 123 for sending a rotational speed feedback signal to the fan control board 130 to be tested according to the control of the central control unit 121.
The central control unit 121 is further configured to control the fan simulation unit 123 to send a rotational speed feedback signal to the fan control board 130 to be tested; and, receiving a detection rotation speed signal sent by the fan control board to be tested through the fan configuration unit 122, and judging whether the fan control board normally works according to the rotation speed feedback signal and the detection rotation speed signal.
The fan simulation unit 123 is used to replace a physical fan, and the fan simulation unit 123 simulates the working state of the fan according to the instruction of the central control unit 121 and sends a corresponding rotating speed feedback signal to the fan control board 130.
As in the fan simulation unit 123 shown in fig. 2, the central control unit 121 writes configuration parameters, including start, stop, reset, signal frequency, the number of high-level pulse counts, the number of low-level pulse counts, and the like, into the parameter configuration register 201 of the fan simulation unit 123; the control clock count and signal output unit 202 performs corresponding control clock count and signal output operations according to the configuration parameter values, so as to output a rotational speed feedback signal with a set frequency and duty ratio at the beginning of the test. The rotating speed feedback signal simulates one or two pulses sent back to the fan control board by each rotation of the fan.
Specifically, the central control unit compares the rotating speed feedback signal with the rotating speed data in the detected rotating speed signal, judges whether the difference value between the rotating speed feedback signal and the detected rotating speed signal is smaller than a set fourth threshold value, and considers that the fan control panel normally works when the difference value is smaller than the fourth threshold value.
The fan interface detection unit 124 also receives a power signal sent by the fan control board to be tested, and determines whether the fan control board normally outputs the power signal according to whether the power signal is between the set first threshold and the set second threshold.
The first threshold and the second threshold are set according to the fan type supported by the fan control board and can be used for judging whether the power supply signal sent by the fan control board can control the fan to normally operate.
As shown in fig. 1, the fan control board testing system further includes an isolating unit for isolating an interface, where the fan simulation unit and the fan interface detection unit are connected to the fan control board, from an interface of the fan control board.
The isolation unit is realized by a first isolation unit 125 and a second isolation unit 126, and the interface is isolated by adopting an optical isolation circuit or other isolation circuits, so that interference can be prevented from being introduced, and the accuracy of a measurement result is influenced; meanwhile, due to grounding isolation, the fan control board test system can adapt to fan interfaces with different voltages, so that the test range is greatly improved.
In addition, the fan control board testing system further includes a dc unit (not shown in fig. 1), and the dc power supply converts an externally input operating voltage into a stable operating voltage required by each part in the system to supply power to the fan control board testing system.
As shown in fig. 4, when the fan control board testing system provided by the embodiment of the invention is connected to the upper computer 110 and the fan control boards 130, the upper computer may connect three fan control board testing systems 120 through the internet access, but in practical applications, the number of the fan control board testing systems 120 that can be connected to one upper computer is not limited to three.
The fan control board test system in the embodiment of the invention comprises a central control unit, a fan configuration unit and a fan interface detection unit; sending a configuration signal to a fan control board to be tested through a fan configuration unit; and judging whether the fan control panel works normally according to the configuration signal and the received fan control signal. When the testing system provided by the embodiment of the invention is used for testing the fan control board, the central control unit controls the start, stop and rotating speed of the fan control board, and the fan control signal sent by the fan control board is combined for analysis and judgment, so that the fan control board can be safely and efficiently tested without plugging a physical fan.
As shown in fig. 5, the fan control board testing method provided in the embodiment of the present invention is applied to the fan control board testing system in the above technical solution, and the method includes:
step 501: and sending a fan configuration signal comprising a configuration rotating speed to the fan control board to be tested through the fan configuration unit.
Generally, before the fan configuration is performed, a test version needs to be obtained from an upper computer according to the type of the fan control board to be tested and loaded. The specific process is as follows: the central control unit 121 of the fan control board test system reads the type of the fan control board 130, and obtains and loads corresponding test version software from the upper computer 110, wherein the test version software includes a CPU test program or a programmable logic device version.
When the fan control board is tested by using the testing method provided by the embodiment of the invention, the central control unit 121 receives the instruction of the upper computer 110 and configures the fan control board 130 through the fan configuration unit 122, that is, the configuration parameters including the configuration rotating speed are converted into a command format matched with the fan control board 130 and transmitted to the fan control board 130, so that the fan interface 132 of the fan control board 130 outputs a fan control signal as required.
Step 502: and after the fan interface detection unit calculates the rotating speed control data according to the received fan control signal sent by the fan control panel to be tested and sends the rotating speed control data, the rotating speed control data is received.
The fan interface detection unit 124 receives the fan control signal sent by the fan interface 132 and detects the fan control signal. The fan control signal is a PWM signal, and in the above detection process, the fan interface detection unit 124 calculates a given rotation speed of the fan control board for setting the rotation speed of the fan according to the PWM signal.
Step 503: and judging whether the fan control panel works normally or not according to the configured rotating speed and the rotating speed control data.
The central control unit 121 reads the result detected by the fan interface detecting unit 124 and determines whether the fan control board 130 is working normally according to the result. Specifically, the central control unit compares the given rotating speed with the configuration rotating speed in the configuration signal, judges whether the difference value between the given rotating speed and the configuration rotating speed is smaller than a set third threshold value, and considers that the fan control board normally works when the difference value is smaller than the third threshold value.
The fan control board testing method provided by the embodiment of the invention further comprises the steps of detecting the fan control board receiving fan feedback data and the capability of processing the feedback data, as shown in fig. 6, the specific steps are as follows:
601, controlling a fan simulation unit to send a rotating speed feedback signal to a fan control board to be tested;
The fan simulation unit 123 is controlled by the central control unit, simulates the working state of the fan, and sends a corresponding rotating speed feedback signal to the fan interface 132 of the fan control board 130; wherein, the rotating speed feedback signal simulates one or two pulses sent back to the fan control board by each circle of the fan.
The fan control board 130 sends a detected rotational speed signal corresponding to the rotational speed feedback signal to the fan configuration unit after receiving the fan rotation signal. The central control unit receives the detection rotating speed signal through the fan configuration unit.
Finally, the central control unit 121 compares the rotation speed feedback signal with the rotation speed data in the detected rotation speed signal, determines whether the difference between the two is smaller than a set fourth threshold, and determines that the fan control board normally operates when the difference is smaller than the fourth threshold.
In addition, the embodiment of the invention further comprises: and detecting a power supply signal sent by the fan control board to be tested and judging whether the fan control board normally outputs the power supply signal according to whether the power supply signal is between a set first threshold value and a set second threshold value.
The first threshold and the second threshold are set according to the fan type supported by the fan control board and can be used for judging whether the power supply signal sent by the fan control board can control the fan to normally operate.
In the embodiment of the invention, the sending interface and the receiving interface of the fan control signal and the rotating speed feedback signal are isolated.
The optical isolation circuit or other isolation circuits are adopted to isolate the interfaces, so that interference can be prevented from being introduced, and the accuracy of a measurement result is prevented from being influenced; meanwhile, due to grounding isolation, the fan control board test system can adapt to fan interfaces with different voltages, so that the test range is greatly improved.
In addition, in the embodiment of the invention, the fan control board test system is powered by a direct current power supply. The DC power supply can convert the working voltage input from the outside into the stable working voltage needed by each part in the system.
In the fan control board testing method in the embodiment of the invention, a configuration signal is sent to a fan control board to be tested through a fan configuration unit; and judging whether the fan control panel works normally according to the received fan control signal and the second rotating speed signal. When the fan control board testing method provided by the embodiment of the invention is used for testing the fan control board, the central control unit controls the start, stop and rotating speed of the fan control board, and carries out analysis and judgment according to the received fan control signal and the second rotating speed signal sent by the fan control board, so that the fan control board can be safely and efficiently tested without plugging a physical fan.
In practical applications, the Central control Unit 121, the fan configuration Unit 122, the fan simulation Unit 123, and the fan interface testing Unit 124 may be implemented by a Central Processing Unit (CPU), a Micro Processing Unit (MPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or the like on the fan control board testing system.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable signal processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable signal processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable signal processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable signal processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (8)
1. A fan control panel test system is characterized by comprising a central control unit, a fan configuration unit and a fan interface detection unit; wherein,
the central control unit is used for sending a configuration signal comprising a configuration rotating speed to the fan control board to be tested through the fan configuration unit;
the fan interface detection unit is used for receiving a fan control signal sent by the fan control board to be tested, calculating rotating speed control data sent by the fan control board according to the fan control signal and sending the rotating speed control data to the central control unit;
the central control unit is also used for receiving the rotating speed control data and judging whether the fan control panel works normally or not according to the rotating speed control data and the configured rotating speed;
the system also comprises a fan simulation unit used for sending a rotating speed feedback signal to the fan control board to be tested according to the control of the central control unit;
the central control unit is also used for controlling the fan simulation unit to send a rotating speed feedback signal to the fan control board to be tested; receiving a detection rotating speed signal sent by the fan control board to be tested through the fan configuration unit; and judging whether the fan control panel works normally or not according to the rotating speed feedback signal and the detected rotating speed signal.
2. The system of claim 1, wherein the fan interface detection unit is further configured to detect a power signal sent by the fan control board to be tested, and determine whether the fan control board normally outputs the power signal according to whether the power signal is between a first threshold and a second threshold.
3. The system of claim 2, wherein the central control unit is further configured to obtain a test version and load the test version according to a type of fan control board to be tested.
4. The system of claim 3, further comprising an isolation unit for isolating interfaces of the fan simulation unit and the fan interface detection unit to the fan control board from interfaces of the fan control board.
5. A fan control board testing method is applied to a fan control board testing system and is characterized by comprising the following steps:
sending a fan configuration signal comprising configuration rotating speed to a fan control board to be tested through a fan configuration unit;
after a fan interface detection unit calculates rotating speed control data according to a received fan control signal sent by the fan control panel to be tested and sends the rotating speed control data, the rotating speed control data is received;
judging whether the fan control panel works normally or not according to the configured rotating speed and the rotating speed control data;
controlling a fan simulation unit to send a rotating speed feedback signal to the fan control board to be tested;
receiving a detection rotating speed signal sent by the fan control board to be tested through the fan configuration unit;
and judging whether the fan control panel works normally or not according to the rotating speed feedback signal and the detected rotating speed signal.
6. The method of claim 5, wherein after sending a fan configuration signal comprising a configuration speed to the fan control board to be tested via the fan configuration unit, the method further comprises: and detecting a power supply signal sent by the fan control board to be tested, and judging whether the fan control board normally outputs the power supply signal according to whether the power supply signal is between a set first threshold value and a set second threshold value.
7. The method of claim 6, further comprising: and acquiring a test version according to the type of the fan control board to be tested and loading the test version.
8. The method of claim 7, further comprising:
and isolating the sending interface and the receiving interface of the fan control signal and the rotating speed feedback signal.
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| CN113374721B (en) * | 2020-03-10 | 2023-04-07 | 英业达科技有限公司 | Fan test control system and method thereof |
| CN112924852A (en) * | 2021-02-21 | 2021-06-08 | 深圳市微特精密科技股份有限公司 | Fan simulation test method and fan simulation test card |
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| US7181379B2 (en) * | 2003-03-17 | 2007-02-20 | Environmental Testing Corporation | Variable altitude simulator system for testing engines and vehicles |
| CN1869718A (en) * | 2005-05-28 | 2006-11-29 | 鸿富锦精密工业（深圳）有限公司 | System and method for testing electric property of fan |
| CN101452414A (en) * | 2007-12-06 | 2009-06-10 | 鸿富锦精密工业（深圳）有限公司 | Mainboard fan interface test system and method |
| CN201255878Y (en) * | 2008-08-27 | 2009-06-10 | 英业达股份有限公司 | Fan rotation speed test system for computer |
| CN101739024B (en) * | 2009-11-27 | 2012-09-26 | 上海汽车集团股份有限公司 | System for integrating half-physical simulation test platform for complete vehicle electronic control device |
| CN102393296A (en) * | 2011-09-15 | 2012-03-28 | 东风贝洱热系统有限公司 | Silicone oil fan tester |
| CN102789230B (en) * | 2012-08-13 | 2014-11-19 | 海信（山东）空调有限公司 | Method for automatically detecting air conditioner outdoor unit control panel |
| CN103838224A (en) * | 2012-11-23 | 2014-06-04 | 鸿富锦精密工业（深圳）有限公司 | System and method for fan control plate testing |
| CN103699466B (en) * | 2013-12-20 | 2015-10-21 | 深圳宝龙达信息技术股份有限公司 | Fan communication test device and method |
| CN104317287B (en) * | 2014-11-24 | 2017-08-08 | 珠海格力电器股份有限公司 | Motor signal simulation method and system |
| CN204649913U (en) * | 2015-05-29 | 2015-09-16 | 中电普瑞科技有限公司 | Pipe testing circuit between a kind of chain type STATCOM change of current end of the chain |
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